UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3bWFKrdoKY6bqhtYY4hiRTihUcCWQPRGRMHp3k5mM2E=' 
WHERE 
  key_id = 'd9f27a6ef029daf1c4c2ec8b957adb2a71dc322145b9d857d7f97aff81222fc9' 
  AND (
    token = '3bWFKrdoKY6bqhtYY4hiRTihUcCWQPRGRMHp3k5mM2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )